Home / 21,003,961.60-31,493,500.80-10,926,265.60

Finding the Fourth Proportional to 21,003,961.60, 31,493,500.80 and 10,926,265.60

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Solution

The fourth proportional to 21,003,961.60, 31,493,500.80 and 10,926,265.60 is: 16,382,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,961.60 : 31,493,500.80 = 10,926,265.60 : x
  2. Step 2: Convert to fraction form
    21,003,961.60/31,493,500.80 = 10,926,265.60/x
  3. Step 3: Cross multiply
    21,003,961.60x = 31,493,500.80 × 10,926,265.60
  4. Step 4: Simplify right side
    21,003,961.60x = 344,106,354,414,612.50
  5. Step 5: Solve for x
    x = 344,106,354,414,612.50/21,003,961.60
  6. Step 6: Final answer
    x = 16,382,926.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.